Ramsey\Uuid\UuidFactory::setRandomGenerator PHP Method

    public function setRandomGenerator(RandomGeneratorInterface $generator)
    {
        $this->randomGenerator = $generator;
    }

 public function __construct()
 {
     $this->factory = new UuidFactory();
     $this->factory->setRandomGenerator(new CombGenerator(RandomGeneratorFactory::getGenerator(), $this->factory->getNumberConverter()));
 }